| 摘要 |
A flow passage through which a heat exchange medium flows is formed at least at a part of each airflow duct 3 to 6, and the heat exchange medium flowing through the passage (t) is allowed to cool or heat air flowing through the airflow duct 3 to 6. Alternatively, a heat generation film H is formed at a part of an inner surface of an air passage of each airflow duct 3 to 6 and is allowed to heat air flowing through the airflow duct 3 to 6. Because the airflow ducts 3 to 6 per se are first cooled or heated by the heat exchange medium flowing through the passage (t), the heat exchange loss with the airflow ducts, that has occurred in the prior art, can be eliminated. Because air conditioning wind is cooled or heated inside the airflow ducts 3 to 6, too, instantaneous cooling/warming performance can be improved.
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